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A&P Final
| Question | Answer |
|---|---|
| What is an example of Naturally Acquired Passive immunity? | Breastmilk |
| What immunoglobin would be found in breastmilk secretions? | IgA |
| What is a secretion produced by virally infected cells that warn neighboring cells about the presence of viruses? | Interferons |
| What is true about the secondary immune response? | It results from subsequent exposures and is relatively quick to act. |
| What is a specific branch of the immune system? | The production of antibodies |
| Which lymphatic organ is the site of T-cell maturation and shrinks as one ages? | Thymus |
| What is the function of the lymph node? | Remove cellular debris and bacteria from lymph |
| What contributes to the movement of lymph through lymphatic vessels? | Skeletal muscle contractions |
| What factor influences the movement of interstitial fluid into a lymphatic capillary? | Hydrostatic pressure of interstitial fluid is higher than the hydrostatic pressure in the lymphatic capillary |
| The structure of a lymphatic vessel most resembles? | A vein |
| What drains lymph from the left side of the body and empties where? | thoracic duct and subclavian vein |
| Which organ filters red blood cells from circulation> | Spleen |
| B.P. refers to the surge of blood against the walls of blood vessels. When a persons blood pressure is measured, the diastolic pressure represents? | The pressure against vessel walls during ventricular relaxation |
| When a heartbeat is heard through a stethoscope, the second sound, a "dub" is caused by? | The closure of the semilunar valves. |
| What is true during times of stress? | Sympathetic impulses to the heart, that would increase heart rate |
| What phase on a ECG does atrial depolarization occur? | P wave |
| Where are the baroreceptors located and serve to detect? | Aortic arch/ carotid sinuses & blood pressure |
| What is true bout the arteriolar end of the capillary? | Hydrostatic pressure in the blood causes a net movement of fluid into the tissues. |
| The tunica interna of arteries and veins are primarily composed of? | epithelium |
| What is considered the pacemaker of the heart? | SA Node |
| The term that describes a mass of merging tissue fibers that act as a functional unit is? | Syncytium |
| what represents cardiac dysfunction? | Blood passes from the atria into the superior and interior vena cava during ventricular systole. |